By Ctein Over the past several weeks, many readers have raised concerns about the permanence of photographs, whether film or digital. Truly, they have every reason to be concerned. It's a problem that has bothered me ever since Henry Wilhelm opened my eyes to this in the mid-1970s (we have been ...

By Idris Khan Now this is clever. Made me smile. Assuming no foreknowledge and without Googling, any of you historians of photography care to take a guess as to what this is? The title would give it away, so I'll post it later. Mike (Thanks to Roni) UPDATE: Well, I thought as I went to bed las...